Select all that apply to physical and chemical properties. the various components of a mixture do not combine chemically. chemical properties can only be observed during a chemical reaction. the rusting of iron is a chemical reaction. melting and boiling points are physical properties. mass and volume are chemical properties.

Explanation:

A property that does no change the chemical composition of a substance are known as physical properties.

For example, mass, volume, size etc are all physical properties.

Whereas a property that changes the chemical composition of a substance are known as chemical properties.

For example, reactivity, toxicity etc are all chemical properties.

Therefore, identifying the given statements as follows.

african americans demonstrated their newly found freedom by relocating often in search of relatives whom they had been separated from during slavery. others established schools to educate freed people and they built institutions such as churches and political organizations to advocate for their rights.

ugh fiel iente of insistí is did kiwis jaj